Implementation of Android Calculator interface

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Activity_main.xml

<?xml version= "1.0" encoding= "Utf-8"?>

<tablelayout xmlns:android= "Http://schemas.android.com/apk/res/android"

Android:layout_width= "Match_parent"

android:layout_height= "Match_parent" >

<TableLayout>

<textview

Android:id= "@+id/text1"

Android:layout_width= "320DP"

android:layout_height= "60DP"

Android:textsize= "40sp"/>

</TableLayout>

<TableLayout>

<textview

Android:id= "@+id/text2"

Android:layout_width= "320DP"

android:layout_height= "60DP"

Android:textsize= "40sp"/>

</TableLayout>

<TableRow>

<button

Android:id= "@+id/button_clear"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/clear"

Android:textsize= "20sp"/>

<button

Android:id= "@+id/button_chu"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/chu"

Android:textsize= "20sp"/>

<button

Android:id= "@+id/button_cheng"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/cheng"

Android:textsize= "20sp"/>

<button

Android:id= "@+id/button_tui"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/tui"

Android:textsize= "20sp"/>

</TableRow>

<TableRow>

<button

Android:id= "@+id/button_qi"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/qi"

Android:textsize= "30sp"/>

<button

Android:id= "@+id/button_ba"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/ba"

Android:textsize= "30sp"/>

<button

Android:id= "@+id/button_jiu"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/jiu"

Android:textsize= "30sp"/>

<button

Android:id= "@+id/button_jian"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/jian"

Android:textsize= "30sp"/>

</TableRow>

<TableRow>

<button

Android:id= "@+id/button_si"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/si"

Android:textsize= "30sp"/>

<button

Android:id= "@+id/button_wu"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/wu"

Android:textsize= "30sp"/>

<button

Android:id= "@+id/button_liu"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/liu"

Android:textsize= "30sp"/>

<button

Android:id= "@+id/button_jia"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/jia"

Android:textsize= "30sp"/>

</TableRow>

<TableRow>

<button

Android:id= "@+id/button_yi"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/yi"

Android:textsize= "30sp"/>

<button

Android:id= "@+id/button_er"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/er"

Android:textsize= "30sp"/>

<button

Android:id= "@+id/button_san"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/san"

Android:textsize= "30sp"/>

<button

Android:id= "@+id/button_dian"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/dian"

Android:textsize= "30sp"/>

</TableRow>

<TableRow>

<button

Android:id= "@+id/button_ling"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/ling"

Android:textsize= "30sp"/>

<button

Android:id= "@+id/button_kuohao_r"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/kuohao_r"

Android:textsize= "30sp"/>

<button

Android:id= "@+id/button_kuohao_l"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/kuohao_l"

Android:textsize= "30sp"/>

<button

Android:id= "@+id/button_deng"

Android:layout_width= "80DP"

android:layout_height= "70DP"

android:text= "@string/deng"

Android:textsize= "30sp"/>

</TableRow>

</TableLayout>

string Resource String.xml

<?xml version= "1.0" encoding= "Utf-8"?>

<resources>

<string name= "App_name" >Calculator</string>

<string name= "Action_settings" >Settings</string>

<string name= "Hello_world" >hello world!</string>

<string name= "Clear" >Clear</string>

<string name= "Chu" >/</string>

<string name= "Cheng" >*</string>

<string name= "Tui" >Back</string>

<string name= "Qi" >7</string>

<string name= "ba" >8</string>

<string name= "JIU" >9</string>

<string name= "Jian" >-</string>

<string name= "Si" >4</string>

<string name= "WU" >5</string>

<string name= "Liu" >6</string>

<string name= "Jia" >+</string>

<string name= "Yi" >1</string>

<string name= "ER" >2</string>

<string name= "San" >3</string>

<string name= "Dian" >.</string>

<string name= "Ling" >0</string>

<string name= "kuohao_l" >) </string>

<string name= "Kuohao_r" > (</string>

<string name= "Deng" >=</string>

</resources>

Implementation of the Android calculator interface